A few proposed topics (#1309)

Author: jonasfj

checked_yaml/pubspec.yaml

@@ -5,6 +5,13 @@ description: >-
   Generate more helpful exceptions when decoding YAML documents using
   package:json_serializable and package:yaml.
 repository: https://github.com/google/json_serializable.dart/tree/master/checked_yaml
+topics:
+ - yaml
+ - json
+ - build-runner
+ - json-serializable
+ - codegen
+
 environment:
   sdk: '>=2.19.0 <3.0.0'
 

json_annotation/pubspec.yaml

@@ -4,6 +4,11 @@ description: >-
   Classes and helper functions that support JSON code generation via the
   `json_serializable` package.
 repository: https://github.com/google/json_serializable.dart/tree/master/json_annotation
+topics:
+ - json
+ - build-runner
+ - json-serializable
+ - codegen
 
 environment:
   sdk: '>=2.19.0 <3.0.0'

json_serializable/pubspec.yaml

@@ -6,6 +6,11 @@ description: >-
 repository: https://github.com/google/json_serializable.dart/tree/master/json_serializable
 environment:
   sdk: '>=2.19.0 <3.0.0'
+topics:
+ - json
+ - build-runner
+ - json-serializable
+ - codegen
 
 dependencies:
   analyzer: ^5.2.0